0
Add your answer:
Earn +20 pts
Is a sand dollar dollar a limestone?
Sand dollar is not a limestone. It is a living thing found in the sea. They are a kind of sea urchins which are round and flat. The flat portion is its bone which is called the test.
Is a sand-dollar a vertebrate?
"Is a Sand Dollar a vertebrate?" No. A sand dollar is not a vertebrate because it does not have a backbone.
What are the unusual characteristics of sand dollars?
Both the mouth and the anus are on the back side of the sand dollar. The hard outside is called the test. A sand dollar is related to sea urchins and star fish.
What do you call a group of sand dollars?
Sand dollars are echinoderms, meaning spiny skin. Sand dollars live on sandy bottoms, and have the shape of an extremely flattened disk. They burrow into the sand and use their tube feet to feed, and spines to crawl along the bottom. They display radial symmetry, and have a hard external test composed of calcium carbonate. In living individuals, it is this test that has a spiny covering.
Is a sand dollar a echinoderm?
Yes sand dollar is an echinoderm.
Does a sand dollar have a backbone?
no. a sand dollar is flat.
Does a sand dollar have eyes?
Click on the link for a picture on a different website.
What is the smallest sand dollar found?
Laganum ocalanum is the smallest sand dollar at a minimum adult size of 1/8 of an inch. This species of sand dollar originated in the late Eocene epoch not long before 33.6 mya, which means this species survived the Eocene-Oligocene extinction.
Is the sand dollar an echinoderm?
Horizontial or vertical, depending on where you cut it.
Is sand dollar a flower?
Sand dollar is not a flower. Sand dollar is a flat living marine creature. They are closely related to star fishes.
Is the sand dollar plankton?
No. A sand dollar is another living thing that is not plankton.
Is sand dollar a mammal?
No, a sand dollar is a invertebrate belonging to the order Clypeasteroida.
